640-822 exam questions

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The 640-822 ICND1 exam includes topics on networking fundamentals; connecting to a WAN; basic security and wireless concepts; routing and switching fundamentals; the TCP/IP and OSI models; IP addressing; WAN technologies; operating and configuring IOS devices; configuring RIPv2, static and default routing; implementing NAT and DHCP; and configuring simple networks.

640-822 ICND1 Interconnecting Cisco Networking Devices Part 1
Identify security threats to a network and describe general methods to mitigate those threats
•Explain today's increasing network security threats and the need to implement a comprehensive security policy to mitigate the threats
•Explain general methods to mitigate common security threats to network devices, hosts, and applications
•Describe the functions of common security appliances and applications
•Describe security recommended practices including initial steps to secure network devices

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The network manager states, "The only UDP port allowed on  this router interface is 53." From the statement, what can be concluded about traffic on the router interface? 
A. DNS traffic is allowed. 
B. RIP traffic is allowed.
C. SMTP traffic is allowed.
D. Telnet traffic is allowed.  
Answer: A

An Ethernet cable is attached to a PC NIC and then attached to a switch port. The PC power is turned on and the switch port link LED turns green. The link light indicates what two conditions? (Choose two.) 
A. Layer 2 communication has been established between the PC and switch. 
B. The PC has  received a DHCP address.
C. Traffic is being sent from the switch to the PC. 
D. If flashing, the green LED indicates port speed of 100 Mb/s.
E. The Layer 1 media is functioning between the PC and switch. 
F. The switch port is functioning as a half -duplex connection. 
Answer: A, E

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